GRO-MATs contain an electric heating element that produces a uniform radiant heat. Thermostatically controlled so that heat will be maintained at a constant temperature. Heating element is molded within the rubber to eliminate the danger of fire or electrical shock.

NOTE ON USE: Use GRO-MAT in an area that is not affected by another heat source - – avoid placement near a washer, dryer, television, or heater. Keep the mat out of sunlight that comes through windows in morning or afternoon.